Ruler



FIG. 1 is a top plan view of the ruler;

FIG. 2 is a bottom plan view of FIG. 1;

FIG. 3 is a top perspective view of FIG. 1;

FIG. 4 is an end view of FIG. 1;

FIG. 5 is a front elevation of FIG. 1;

FIG. 6 is an end cross-section on FIG. 4; and,

FIG. 7 is a perspective view of FIG. 1.

In FIGS. 1-3 and 5 of the drawing, portions have been omitted for easeof illustration.

The broken line showing of scale markings and indicia is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a ruler, as shown and described.